/Engine/Source/Editor/Experimental/EditorInteractiveToolsFramework/Public/Behaviors/2DViewportBehaviorTargets.h
Allows the mouse wheel to move the camera forwards/backwards relative to the XY plane, in the direction pointed to by the mouse.
class FEditor2DMouseWheelZoomBehaviorTarget : public [IMouseWheelBehaviorTarget](API\Runtime\InteractiveToolsFramework\BaseBehaviors\IMouseWheelBehaviorTarget)
double
CameraFarPlaneWorldZ
double
CameraNearPlaneProportionZ
FEditorViewport...
ViewportClient
TODO: Replace with a context object to avoid dependency on (JIRA UE-163677)
double
ZoomInLimit
double
ZoomInProportion
double
ZoomOutLimit
double
ZoomOutProportion